ABCD3-I Score — JoyShine Medical

ABCD3-I Score (TIA Stroke Risk with Imaging)

Estimates short-term stroke risk after a transient ischemic attack (TIA) by adding recurrent-TIA and carotid/MRI-DWI imaging items to the clinical ABCD2 score, to triage and prioritize urgent evaluation; a distinct calculator from the imaging-free ABCD2.

Age ≥ 60 years

No (0) Yes (+1)

Blood pressure ≥ 140 mmHg systolic OR ≥ 90 mmHg diastolic at presentation

No (0) Yes (+1)

Clinical features of the TIA

Other / no weakness or speech disturbance (0) Speech disturbance without weakness (+1) Unilateral weakness (+2)

Duration of symptoms

< 10 minutes (0) 10–59 minutes (+1) ≥ 60 minutes (+2)

Diabetes mellitus (history)

No (0) Yes (+1)

Dual TIA (≥ 1 additional TIA within the preceding 7 days)

No (0) Yes (+2)

Ipsilateral internal carotid artery stenosis ≥ 50% on vascular imaging

No (0) Yes (+2)

Acute diffusion-weighted MRI (DWI) hyperintensity (≥ 1 acute ischemic lesion)

No (0) Yes (+2)